by Leden Marpaung, S.H. $12.00
by Drs. Hari Sasangka, SH. M.H. $8.00
by M. Idris Ramulyo, S.H., M.H. $7.00
by - $5.00
by R. Soeroso, S. H. $11.00
by Jazim Hamidi, S.H., M.H. $5.00